chromium/v8/src/heap/safepoint.h

// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_HEAP_SAFEPOINT_H_
#define V8_HEAP_SAFEPOINT_H_

#include <optional>

#include "src/base/platform/condition-variable.h"
#include "src/base/platform/mutex.h"
#include "src/common/globals.h"
#include "src/handles/persistent-handles.h"
#include "src/heap/local-heap.h"
#include "src/objects/visitors.h"

namespace v8 {
namespace internal {

class Heap;
class LocalHeap;
class PerClientSafepointData;
class RootVisitor;

// Used to bring all threads with heap access in an isolate to a safepoint such
// that e.g. a garbage collection can be performed.
class IsolateSafepoint final { … };

class V8_NODISCARD IsolateSafepointScope { … };

// Used for reaching a global safepoint, a safepoint across all client isolates
// of the shared isolate.
class GlobalSafepoint final { … };

class V8_NODISCARD GlobalSafepointScope { … };

enum class SafepointKind { … };

class V8_NODISCARD SafepointScope { … };

}  // namespace internal
}  // namespace v8

#endif  // V8_HEAP_SAFEPOINT_H_